Slide-Co 161903 Bi-Fold Door Pull Knob with Screws, 1-3/4-Inch, Brass,(Pack of 2) Brass Plated Bi-Fold Door Knob For Use On Hollow Core Or Solid Wood Door Panels 1-3/4in. O.D. brass plated knob used on hollow core or solid wood bi-fold door panels Large knob requires less effort to open Wide Base Design events Door Crush Stamped Steel, Polished Brass Finish